CN204857898U - Battery module , group battery and including device of this group battery - Google Patents

Battery module , group battery and including device of this group battery Download PDF

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Publication number
CN204857898U
CN204857898U CN201520363949.8U CN201520363949U CN204857898U CN 204857898 U CN204857898 U CN 204857898U CN 201520363949 U CN201520363949 U CN 201520363949U CN 204857898 U CN204857898 U CN 204857898U
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CN
China
Prior art keywords
battery
battery cell
cooling
component
battery module
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Active
Application number
CN201520363949.8U
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Chinese (zh)
Inventor
金台爀
卢泰焕
李允熙
李珍圭
郑浚喜
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LG Energy Solution Ltd
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LG Chemical Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/105—Pouches or flexible bags
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—Metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/121—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The utility model discloses a battery module, group battery and including device of this group battery. Battery module includes: battery monomer subassembly, it has two or a more a plurality of battery monomer, and battery monomer transversal arrangement is with in close contact with or adjacent each other, front bezel and back plate, its fixed outermost battery monomer that arrives battery monomer subassembly is in order to surround outermost battery monomer, electrical insulation lid component, it is installed in the upper end of battery monomer subassembly, and is equipped with the through -hole, and this through -hole is passed in the extension of the free electrode terminals of battery, conductive connection part arranges conductive connection part under the state of lid component department installing, and conductive connection part is connected to the free electrode terminals of battery in order to realize the detecting free voltage of battery when the electricity between the battery monomer is connected, cooling member between the battery monomer, every cooling member are equipped with hollow structure's cooling agent flow portion, and the cooling agent is wherein flowing, and the manifold, it is connected to the cooling member so that the cooling agent moves in cooling agent flow.

Description

Battery module, battery pack and comprise the device of this battery pack
Technical field
The utility model relates to a kind of battery module comprising water cooling type cooling structure, and relates to the battery pack using this battery module manufacture and the device comprising this battery pack.
Background technology
In recent years, the secondary cell of charging and discharging the energy of portable radio device can be widely used as.In addition, as the power supply for developing to solve the problem such as air-polluting motor vehicle (EV), hybrid electric vehicle (HEV) and the plug-in hybrid electric vehicle (Plug-inHEV) that are caused by the existing gasoline and diesel vehicle that use fossil fuel, secondary cell has attracted sizable concern.
For each device, small-sized mobile devices uses one or several battery cells.On the other hand, to export and Large Copacity is necessary because high for medium-sized or large-scale plant, so medium-sized or large-scale plant such as vehicle use has the medium-sized or large-sized battery module of the multiple battery cells be electrically connected to each other.
Preferably, medium-sized or large-sized battery module is fabricated to and has size little as far as possible and weight.Therefore, it is possible to stacking and there is the prismatic batteries of little weight/Capacity Ratio or pouch type battery is often used as battery cell that is medium-sized or large-sized battery module with high integration.Especially, a lot of interest is current concentrates on the pouch type battery using aluminum-laminated sheets as clad member, because pouch type battery is lightweight, the manufacturing cost of pouch type battery is low, and is easy to the shape revising pouch type battery.
Forming battery cell that is medium-sized or large-sized battery module can be can the secondary cell of charging and discharging.Therefore, during the charging and discharging of secondary cell, more heat is produced from this height output, Large Copacity secondary cell.Especially, the laminate of each pouch type battery used in battery module widely has polymeric material that apply in its surface, that present low heat conductivity, and result is difficult to the bulk temperature effectively reducing battery cell.
If effectively do not remove from the heat that battery module produces during the charging and discharging of battery module from battery module, then heat is gathered in battery module, and the deterioration of result battery module is accelerated.According to circumstances, battery module may catch fire or explode.Therefore, need cooling system to cool the battery cell installed wherein for the medium-sized of vehicle or large-sized battery pack (these battery pack be comprise that multiple height that is medium-sized or large-sized battery module exports, high capacity cell).
Usually by manufacturing with the stacking multiple battery cell of high integration each battery module be installed in medium-sized or large-sized battery pack.In this case, battery cell is with stack of cells monomer in the state of arranged at predetermined intervals wherein, thus can remove during the charging and discharging of battery cell from the heat that battery cell produces.Such as, sequentially stack of cells monomer can not used in the state of other component with arranged at predetermined intervals by battery cell wherein.Alternately, battery cell has in the situation of low mechanical strength wherein, and one or more battery cell can be arranged on Component units module in box (cartridge), and then multiple unit module can be stacking to form battery module.Use wherein in the situation of box, the mechanical strength of battery cell improves; But the overall dimension of battery module increases.
In addition, between stacking battery cell or between stacking battery module, define coolant channel, thus the heat gathered between stacking battery cell or between stacking battery module can be efficiently removed.
Especially, cooling structure is in the situation of water cooling type cooling structure wherein, between battery cell or between battery module, define multiple coolant channel, and result is very difficult to design cooling structure.In addition, the special area that cooling component or heat conduction component are arranged on battery pack is wherein sentenced in the situation of structure cooling structure, and the overall dimension of battery pack increases.
Utility model content
Technical problem
Therefore, the utility model has been proposed to overcome the above problems Buddhist monk's other technical problem to be solved.
The purpose of this utility model is to provide a kind of battery module, and by effectively constructing cooling structure and other parts of battery module, the volume of this battery module reduces, and the cooling performance of this battery module improves, and the structural stability of this battery module improves.
Technical scheme
According to an aspect of the present utility model, above and other object can be realized by providing a kind of battery module, this battery module comprises: battery cell assembly, this battery cell assembly has two or more battery cell, two or more battery cells described be laterally arranged so that battery cell each other closely contact or adjacent one another are; Front and rear panels, these front and rear panels are fixed to the outmost battery cell of battery cell assembly, thus front and rear panels surround the outmost battery cell of battery cell assembly; The lid component of electric insulation, this lid Components installation is at the upper end of battery cell assembly, and this lid component is provided with through hole, and the electrode terminal of battery cell extends through this through hole; Conductive connection part, under conductive connection part is arranged in the state that conductive connection part is arranged on lid component place, conductive connection part is connected to the electrode terminal of battery cell to detect the voltage of battery cell while realizing the electrical connection between battery cell; Cooling component, this cooling component is between battery cell, and each cooling component in these cooling components is provided with the cooling agent flow portion of hollow structure, and cooling agent flows in this cooling agent flow portion; And manifold, this manifold is connected to cooling component and flows in cooling agent flow portion to make cooling agent.
That is, effectively construct the cooling structure according to battery module of the present utility model and other parts as mentioned above, battery module is of compact construction thus, and the cooling performance of battery module improves, and the structural stability of battery module improves.
Each battery cell in these battery cells can be plate battery monomer, and plate battery monomer has little thickness and relative large width and length, thus the overall size of battery module minimizes when battery cell is stacked to form battery module.An example of this battery cell can be the battery cell being configured with following structure, wherein the electrode assemblie of positive electrode/separator/negative electrode structure is arranged in battery receptacle unit, and is fetched by hot weld and seal the battery container be made up of the laminate comprising resin bed and metal level thus form hermetic unit in the outer edge of battery container.The battery cell with above-mentioned structure can be called pouch type battery monomer.
Battery cell assembly can be configured with following structure, and wherein, these boxes stacking while transverse arrangement of turbo box, the corresponding battery cell in these battery cells is fixed to each box in these boxes.
Now, each box in these boxes can be provided with fastener hole, and the clamp structure for self-contained battery uni-body components is inserted through this fastener hole.Fastener hole can the edge of each box in such cases be formed.Clamp structure can be inserted through fastener hole to fix the structure of wherein these boxes stacking while laterally arranging these boxes.
In addition, such as, each box in these boxes can comprise framework, for the outer-edge sealing parts being positioned at its opposite sides of self-contained battery monomer.
Battery cell assembly can be configured with following structure, and wherein battery cell is arranged so that the positive electrode terminal of battery cell and negative electrode terminal project upwards.When while laterally arranging battery cell during stack of cells monomer, the electrode terminal of battery cell can be arranged on the direction of stack of cells monomer.
Under the state that conductive connection part is arranged to the through hole corresponding to lid component, conductive connection part can be connected to lid component wherein.Therefore, conductive connection part can be connected to the electrode terminal through through hole battery cell outwardly.Conductive connection part can be electrically connected to the electrode terminal of battery cell by welding or mechanical attachment.
Lid component can be provided with two or more fixed part in its edge, fixed part is installed to the top of the front and rear panels of the outermost battery cell of battery cell assembly to downward-extension to surround, thus lid component stability be fixed to the upper end of battery cell assembly.
Meanwhile, the battery management system (BMS) of the operation for controlling battery module is may further include according to battery module of the present utility model.BMS can be arranged on the top place of lid component.
Material for each cooling component in these cooling components is not particularly limited, as long as each cooling component in these cooling components is made up of the material presenting thermal conductivity.Such as, each cooling component in these cooling components can be made up of metal material.
Each cooling component in these cooling components can be configured with following structure, and this structure comprises: tabular radiating part, and wherein under the opposite major surfaces of radiating part and the state of battery cell close contact, radiating part is between battery cell; Cooling agent flow portion, the outward flange along radiating part forms this cooling agent flow portion; Coolant inlet port, is introduced cooling agent by this coolant inlet port; With coolant outlet port, by this coolant outlet port by cryogen discharge.
Coolant inlet port and coolant outlet port can be formed at the side place of radiating part, thus coolant inlet port and coolant outlet port are connected to manifold to introduce and discharge cooling agent.Particularly, coolant inlet port and coolant outlet port can battery cell assembly in downward direction on formed, and the manifold being connected to cooling component can be arranged on the bottom place of battery cell assembly.
The cooling agent flowed in the cooling agent flow portion of each cooling component in these cooling components can be water.But the utility model is not limited thereto.
First battery cell can be installed to the side of the framework of each box in these boxes under a corresponding cooling component in these cooling components state between the first battery cell and framework, second battery cell can be installed to the opposite side of framework, and the first battery cell and the second battery cell can be arranged to contrary two the first type surface close contacts with cooling component.
Meanwhile, framework can be provided with depression installation portion, installs coolant inlet port and the coolant outlet port of the corresponding cooling component in these cooling components in this depression installation portion.In the structure shown here, under the state of the stacking battery cell fixed by box wherein, cooling component can be stably fixed on correct position to perform cooling.
Protect battery cell assembly in order to ensure the isolation between battery cell assembly and front and rear panels for external impact, one or more insulating element can between the outermost battery cell of battery cell assembly and front and rear panels.
Such as, each insulating element in these insulating elements can comprise the first insulating element be made of porous materials and the second insulating element be made up of sheet material.The example forming the porous material of the first insulating element can be Foamex.But the utility model is not limited thereto.
Particularly, the first insulating element can contact the corresponding outermost battery cell in these outermost battery cells of battery cell assembly, and the second insulating element can contact header board or rear plate.The sheet material of the second insulating element can be formed as the shape identical with the interior shape of header board or rear plate.
According to another aspect of the present utility model, provide a kind of the height output with the battery module manufacture of above-mentioned structure, the large-capacity battery pack that are used as cell cube.This battery pack can comprise one or more battery module be installed in battery housing.This battery pack may further include various security element, such as voltage measurement component and power-off component, for cooling the cooling system of whole battery pack and being configured to be installed to the component of external device (ED).
According to the further aspect of the utility model, provide a kind of device comprising the battery pack with above-mentioned structure.
Such as, this device can be selected from any one of motor vehicle, hybrid electric vehicle, plug-in hybrid electric vehicle and electrical storage device.But the utility model is not limited thereto.
The structure of this device and manufacture method in the utility model art be well-known and, therefore, will description is omitted.
Effect of the present utility model
As illustrated clearly according to above, effectively construct the cooling structure according to battery module of the present utility model and other parts, the volume of battery module reduces thus, and the cooling performance of battery module improves, and the structural stability of battery module improves.
Accompanying drawing explanation
Above and other object of the present utility model, other advantage of characteristic sum clearly will be understood from following detailed description done by reference to the accompanying drawings, wherein:
Fig. 1 is the perspective view of the battery module illustrated according to an embodiment of the present utility model;
Fig. 2 is the partial, exploded perspective view of battery module shown in Fig. 1; And
Fig. 3 is the zoomed-in view of the battery cell illustrated in battery cell shown in Fig. 2.
Embodiment
Now, preferred embodiment of the present utility model is described in detail with reference to accompanying drawing.But, it is noted that scope of the present utility model is not limited by illustrated embodiment.
Fig. 1 is the perspective view of the battery module 100 illustrated according to an embodiment of the present utility model, and Fig. 2 is the partial, exploded perspective view of battery module 100 shown in Fig. 1.
With reference to Fig. 1 and 2, battery module 100 is configured with the structure comprising battery cell assembly 120, header board 132, rear plate 136, lid component 140, conductive connection part 150, cooling component 160 and manifold 170.
Battery cell assembly 120 is configured with following structure, that is: wherein battery cell 110 is laterally arranged so that battery cell 110 is adjacent one another are, and each battery cell wherein in battery cell 110 to be fixed in the state of box 125 laterally stack of cells monomer 110.Battery cell 110 is laterally arranged so that the electrode terminal of battery cell 110 projects upwards.Box 125 is configured with frame structure, and this frame structure is used for the outer-edge sealing parts of the corresponding battery cell in self-contained battery monomer 110.Box 125 is provided with the fastener hole 126 for self-contained battery uni-body components 120 in its edge.That is, clamp structure 128 is inserted through fastener hole 126 to fix the structure of wherein stack of cassettes 125 while laterally arranging box 125.
The header board 132 of protection battery cell assembly 120 and rear plate 136 are fixed to the outmost battery cell of battery cell assembly 120, thus header board 132 and rear plate 136 surround the outmost battery cell of battery cell assembly 120.Header board 132 and rear plate 136 are fixed together with box 125 by clamp structure 128.
Lid component 140 is arranged on the upper end of battery cell assembly 120.Lid component 140 is provided with through hole, and the electrode terminal 111 and 112 of battery cell 110 extends through this through hole.Lid component 140 is provided with multiple fixed part 142 in its edge, and described multiple fixed part 142 is to downward-extension with the top on the top and rear plate 136 that surround header board 132, thus lid component 140 is stably fixed to the upper end of battery cell assembly 120.
Conductive connection part 150 is arranged to, in the state of the through hole corresponding to lid component 140, conductive connection part 150 is connected to lid component 140 wherein.Conductive connection part 150 is connected to the electrode terminal 111 and 112 through through hole battery cell 110 outwardly, thus conductive connection part 150 is electrically connected to the electrode terminal 111 and 112 of battery cell 110.Conductive connection part 150 detects the voltage of battery cell 110 while realizing the electrical connection between battery cell 110.
Each cooling component in cooling component 160 is configured with following structure, this structure comprises: tabular radiating part 162, wherein in the opposite major surfaces of radiating part 162 and the state of battery cell 110 close contact, make radiating part 162 between battery cell 110; Cooling agent flow portion 164, the outward flange along radiating part 162 forms this cooling agent flow portion 164; Coolant inlet port one 66, is introduced through this coolant inlet port one 66 by cooling agent; With coolant outlet port one 67, by cryogen discharge through this coolant outlet port one 67.
Coolant inlet port one 66 and the coolant outlet port one 67 of cooling component 160 are connected to manifold 170.Coolant inlet port one 66 and coolant outlet port one 67 are formed at the lower end of radiating part 162.The manifold 170 be connected with cooling component 160 is arranged on the bottom place of battery cell assembly 120.
Each cooling component in cooling component 160 is configured with following structure, wherein contrary two first type surface close contacts of battery cell 110 and each cooling component in cooling component 160, the cooling effectiveness of maximum battery monomer 110 thus.
In addition, each framework is provided with depression installation portion 129, install coolant inlet port one 66 and the coolant outlet port one 67 of cooling component 160, thus cooling component 160 is stably fixed on correct position in this depression installation portion 129.
Insulating element 180 is between header board 132 and battery cell assembly 120, and another insulating element 180 is between rear plate 136 and battery cell assembly 120.
Each insulating element in insulating element 180 comprises the first insulating element 184 and the second insulating element 182, this first insulating element 184 is made up of Foamex and for absorbing impact, and this second insulating element 182 is for isolating and having the shape identical with the interior shape of header board 132 or rear plate 136.
Meanwhile, the battery management system (BMS) 190 for controlling the operation of battery module 100 is arranged on the top place of lid component 140.
Fig. 3 is the zoomed-in view of the battery cell illustrated in battery cell shown in Fig. 2.
With reference to figure 3, battery cell 110 is plate-like rectangular battery cells.Battery cell 110 is configured with following structure, and wherein electrode assemblie (not shown) is comprised in the battery container 113 be made up of laminate together with electrolyte, and fetches the outward flange 114 of sealed cell housing 113 by hot weld.Electrode tab 111 and 112 is formed at the side place of battery container 113.
Although disclose preferred embodiment of the present utility model to schematically be intended to, but it will be appreciated by those skilled in the art that, when not departing from as scope and spirit of the present utility model disclosed in the following claims, various amendment, interpolation and to substitute be all possible.

Claims (24)

1. a battery module, is characterized in that comprising:
Battery cell assembly, described battery cell assembly has two or more battery cell, two or more battery cells described be laterally arranged so that described battery cell each other closely contact or adjacent one another are;
Front and rear panels, described header board and described rear plate are fixed to the outmost battery cell of described battery cell assembly, make described header board and described rear plate surround the outmost battery cell of described battery cell assembly;
The lid component of electric insulation, described lid component is installed in the upper end of described battery cell assembly, and described lid component is provided with through hole, and the electrode terminal of described battery cell extends through described through hole;
Conductive connection part, under described conductive connection part is arranged in the state that described conductive connection part is installed in described lid component place, described conductive connection part is connected to the described electrode terminal of described battery cell, to detect the voltage of described battery cell while realizing the electrical connection between described battery cell;
Cooling component, described cooling component is between described battery cell, and each in described cooling component is provided with the cooling agent flow portion of hollow structure, and cooling agent flows in described cooling agent flow portion; With
Manifold, described manifold is connected to described cooling component and moves in described cooling agent flow portion to make cooling agent.
2. battery module according to claim 1, it is characterized in that, each in described battery cell is pouch type battery monomer, described pouch type battery monomer is configured to have following structure, that is: electrode assemblie is installed in the battery container be made up of the laminate comprising resin bed and metal level.
3. battery module according to claim 1, it is characterized in that, described battery cell assembly is configured to have following structure, that is: each box is fixed with a battery cell of the correspondence in described battery cell, and described box is stacked while laterally arranging.
4. battery module according to claim 3, is characterized in that, each in described box is provided with fastener hole, and the clamp structure for fixing described battery cell assembly is inserted through described fastener hole.
5. battery module according to claim 3, is characterized in that, each in described box comprises framework, and described framework is used for the outer-edge sealing parts being positioned at its two opposite sides place of fixing described battery cell.
6. battery module according to claim 1, is characterized in that, described battery cell assembly is configured to have following structure, that is: described battery cell is arranged such that the positive electrode terminal of described battery cell and negative electrode terminal project upwards.
7. battery module according to claim 1, is characterized in that, under the state being arranged to the described through hole corresponding to described lid component at described conductive connection part, described conductive connection part is coupled to described lid component.
8. battery module according to claim 1, is characterized in that comprising further:
Battery management system, described battery management system for controlling the operation of described battery module, wherein
Described battery management system is installed in the top place of described lid component.
9. battery module according to claim 1, is characterized in that, the edge of described lid component is provided with two or more fixed part, two or more fixed part described to downward-extension with the top on the top and described rear plate that surround described header board.
10. battery module according to claim 1, is characterized in that, each in described cooling component is made up of metal material.
11. battery modules according to claim 1, it is characterized in that, each in described cooling component comprises: tabular radiating part, and under contrary two first type surfaces of described radiating part and the state of described battery cell close contact, described radiating part is between described battery cell; Cooling agent flow portion, described cooling agent flow portion is formed along the outward flange of described radiating part; Coolant inlet port, is introduced cooling agent by described coolant inlet port; With coolant outlet port, by described coolant outlet port by described cryogen discharge.
12. battery modules according to claim 11, is characterized in that, described coolant inlet port and described coolant outlet port are formed in the side of described radiating part.
13. battery modules according to claim 12, it is characterized in that, described coolant inlet port and described coolant outlet port described battery cell assembly in downward direction on formed, and the described manifold be connected with described cooling component is installed in the bottom place of described battery cell assembly.
14. battery modules according to claim 1, is characterized in that, described cooling agent is water.
15. battery modules according to claim 5, it is characterized in that, the side of described framework is installed under the state of the corresponding cooling component of the first battery cell in described cooling component between described first battery cell and described framework, second battery cell is installed to the opposite side of described framework, and described first battery cell and described second battery cell are arranged to contrary two the first type surface close contacts with described cooling component.
16. battery modules according to claim 15, it is characterized in that, described framework is provided with depression installation portion, installs coolant inlet port and the coolant outlet port of the corresponding cooling component in described cooling component in described depression installation portion.
17. battery modules according to claim 1, is characterized in that comprising one or more insulating element further, and described one or more insulating element is between the outmost battery cell of described battery cell assembly and between described header board and described rear plate.
18. battery modules according to claim 17, is characterized in that, each in described insulating element comprises the first insulating element be made of porous materials and the second insulating element be made up of sheet material.
19. battery modules according to claim 18, is characterized in that, described first insulating element is made up of Foamex.
20. battery modules according to claim 18, it is characterized in that, described first insulating element contacts the corresponding battery cell in the outmost battery cell of described battery cell assembly, and described second insulating element contacts described header board or described rear plate.
21. battery modules according to claim 20, is characterized in that, the described sheet material of described second insulating element is formed the shape identical with the interior shape of described header board or described rear plate.
22. 1 kinds of high outputs and jumbo battery pack, is characterized in that, use the battery module according to any one in claim 1 to 21 to manufacture described battery pack as cell cube.
23. 1 kinds of devices comprising battery pack, is characterized in that described battery pack is battery pack according to claim 22.
24. devices according to claim 23, is characterized in that, described device is motor vehicle, hybrid electric vehicle, plug-in hybrid electric vehicle or electrical storage device.
CN201520363949.8U 2014-05-29 2015-05-29 Battery module , group battery and including device of this group battery Active CN204857898U (en)

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JP7039774B2 (en) 2022-03-23
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US20170194681A1 (en) 2017-07-06
WO2015182909A1 (en) 2015-12-03
EP3136497A1 (en) 2017-03-01
CN105322248B (en) 2018-09-28
KR101833526B1 (en) 2018-02-28
US10361469B2 (en) 2019-07-23
CN105322248A (en) 2016-02-10
EP3136497B1 (en) 2018-07-25
EP3136497A4 (en) 2017-03-01

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